protected <T extends Object> T getNextResult() { return holder.getNextResult(); }
protected <T extends Object> T getResult(int index) { return holder.getResult(index); }
protected void addResult(Object obj) { holder.addResult(obj); }
protected void addResult(int index, Object obj) { holder.addResult(index, obj); }
@Override protected void setUp() throws Exception { holder.setUp(); super.setUp(); }